Service manual

CD-DD4500
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1 RST Input Hardware reset input terminal. (L: reset, R: normal operation)
2* MIMD Input Microcomputer I/F mode select input terminal. (L: serial, H: I2C bus)
3 MICS Input Microcomputer I/F chip select input terminal.
4 MILP Input Microcomputer I/F latch pulse input.
5 MIDIO Input/Output Microcomputer I/F data input/output terminal.
6 MICK Input Microcomputer I/F clock input terminal.
7 MIACK Output Microcomputer I/F acknowledge output terminal.
8* FI0 Input Flag input terminal 0.
9* FI1 Input Flag input terminal 1.
10* FI2 Input Flag input terminal 2.
11* FI3 Input Flag input terminal 3.
12* IRQ Input Interrupt input terminal.
13 VSS Digital ground terminal.
14 LRCKA Input Audio I/F LR clock input terminal A.
15 BCKA Input Audio I/F bit clock input terminal A.
16 SDO0 Output Audio I/F data output terminal 0.
17 SDO1 Output Audio I/F data output terminal 1.
18 SDO2 Output Audio I/F data output terminal 2.
19* SDO3 Output Audio I/F data output terminal 3.
20 LRCKB Input Audio I/F LR clock input terminal B.
21 BCKB Input Audio I/F bit clock input terminal B.
22 SDI0 Input Audio I/F data input terminal 0.
23 SDI1 Input Audio I/F data input terminal 1.
24 VDD Input Digital power supply terminal.
25 LRCKOA Output Audio I/F LR clock output terminal A.
26 BCKOA Output Audio I/F bit clock output terminal A.
27 TEST0 Input Test input terminal 0. (L: test, H: normal operation)
28 TEST1 Input Test input terminal 1. (L: test, H: normal operation)
29* LRCKOB Output Audio I/F LR clock output terminal B.
30* BCKOB Output Audio I/F bit clock output terminal B.
31* TXO Output SPDIF output terminal.
32 TEST2 Input Test input terminal 2. (L: test, H: normal operation)
33 TEST3 Input Test input terminal 3. (L: test, H: normal operation)
34 RX Input SPDIF input terminal.
35 VSS Digital ground terminal.
36 TSTSUB0 Input Test sub input terminal 0. (L: test, H: normal operation)
37 FCONT Output VCO frequency control output terminal.
38 TSTSUB1 Input Test sub input terminal 1. (L: test, H: normal operation)
39 TSTSUB2 Input Test sub input terminal 2. (L: test, H: normal operation)
40 PDO Output Phase error signal output terminal.
41 VDDA Input Analog power supply terminal.
42* PLON Input Clock select input terminal. (L: external clock, H: VCO clock)
43 AMPI Input Amplifier input terminal for LPF.
44 AMPO Output Amplifier output terminal for LPF.
45 CKI Input External clock input terminal.
46 VSSA Analog ground terminal.
47 CKO Output DIR clock output terminal.
48 LOCK Output VCO lock detection output terminal.
49 VSS Digital ground terminal.
50 WR Output External SRAM write signal output terminal.
51 OE Output External SRAM output enable signal output terminal.
IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (1/2)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.